Mission: Fourth Orbital ATK Commercial Resupply Services Flight to International Space Station (Orbital CRS-4)

Description: The mission will be the first flight of the enhanced variant of Orbital ATK’s Cygnus advanced maneuvering spacecraft, capable of delivering more than 7,700 pounds of essential crew supplies, equipment and scientific experiments to the station. The Atlas V launch from Cape Canaveral Air Force Station in Florida is targeted during a 30-minute window.